Cell Biology 8/19/99 1 of 2

	1) Microvilli - extensions serve to increase surface area; Dark line - Terminal Bar
	2) Simple Squamous Epithelium - Nucleus is off to the side
	3) Types of junctions: o=zonula occuldanes; a= zonula adherins; D= desmisomes (In order to see the letters you have to look at this slide at 500%)
	4) See where the two membranes fuse
	5) Freeze fracture preparation of tight (impermeable) junctions
	6) Desmosomes - Linkers, Plaque, and tonofilaments